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1 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32test\entropysources\d_entropysources.cpp |
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15 // |
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16 // |
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17 /** |
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18 @file |
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19 @internalComponent |
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20 @test |
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21 */ |
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22 #include <dfcs.h> |
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23 #include <kernel/kernel.h> |
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24 #include <kernel/kern_priv.h> |
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25 #include "kern_test.h" |
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26 #include "d_entropysources.h" |
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27 |
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28 //--------------------------------------------------------------------------------------------------------------------- |
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29 //! @SYMTestCaseID KBASE-entropysources-2703 |
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30 //! @SYMTestType UT |
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31 //! @SYMTestCaseDesc Verifies that entropy is contributed to the Secure RNG |
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32 //! @SYMPREQ PREQ211 |
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33 //! @SYMTestPriority High |
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34 //! @SYMTestActions |
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35 //! 1. TestReseed: tests that the interval between RNG reseeds is less than KMaxReseedTime, unless the platform is |
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36 //! known not to have a viable entropy source. |
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37 //! |
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38 //! |
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39 //! @SYMTestExpectedResults |
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40 //! 1. Properties checked: |
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41 //! 1) checks that there is a valid entropy source contrbuting entropy data. |
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42 //! 2) checks that the entropy collection framework is functioning correctly.. |
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43 //! |
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44 //--------------------------------------------------------------------------------------------------------------------- |
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45 |
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46 class DEntropySourcesFactory : public DLogicalDevice |
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47 { |
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48 public: |
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49 DEntropySourcesFactory(); |
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50 virtual TInt Install(); |
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51 virtual void GetCaps(TDes8 &aDes) const; |
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52 virtual TInt Create(DLogicalChannelBase*& aChannel); |
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53 }; |
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54 |
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55 class DEntropySources : public DLogicalChannelBase |
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56 { |
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57 public: |
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58 DEntropySources(); |
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59 ~DEntropySources(); |
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60 void ReseedHook(); |
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61 |
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62 protected: |
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63 virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer); |
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64 virtual TInt Request(TInt aReqNo, TAny* a1, TAny* a2); |
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65 |
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66 private: |
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67 DThread* iClient; |
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68 TClientRequest* iRequest; |
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69 }; |
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70 |
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71 // Function to be called from the kernel side code. |
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72 void ReseedHook(TAny* aPtr) |
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73 { |
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74 ((DEntropySources*)aPtr)->ReseedHook(); |
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75 } |
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76 |
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77 DECLARE_STANDARD_LDD() |
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78 { |
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79 return new DEntropySourcesFactory; |
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80 } |
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81 |
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82 // |
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83 // DEntropySourcesFactory |
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84 // |
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85 |
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86 DEntropySourcesFactory::DEntropySourcesFactory() |
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87 { |
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88 // Set version number for this device |
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89 iVersion = TVersion(0,1,1); |
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90 |
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91 // Indicate we don't support units or a PDD |
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92 iParseMask = 0; |
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93 } |
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94 |
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95 TInt DEntropySourcesFactory::Install() |
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96 { |
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97 return(SetName(&KEntropySourcesName)); |
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98 } |
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99 |
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100 void DEntropySourcesFactory::GetCaps(TDes8& aDes) const |
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101 { |
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102 // Create a capabilities object |
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103 TCapsEntropySources caps; |
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104 caps.iVersion = iVersion; |
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105 |
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106 // Write it back to user memory |
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107 Kern::InfoCopy(aDes,(TUint8*)&caps,sizeof(caps)); |
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108 } |
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109 |
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110 TInt DEntropySourcesFactory::Create(DLogicalChannelBase*& aChannel) |
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111 { |
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112 aChannel = new DEntropySources; |
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113 if(!aChannel) |
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114 return KErrNoMemory; |
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115 return KErrNone; |
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116 } |
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117 |
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118 // |
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119 // DEntropySources |
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120 // |
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121 |
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122 DEntropySources::DEntropySources() |
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123 { |
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124 iClient = &Kern::CurrentThread(); |
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125 iClient->Open(); |
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126 } |
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127 |
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128 DEntropySources::~DEntropySources() |
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129 { |
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130 KernTest::Test(KernTest::ERNGReseedHook, NULL, NULL); |
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131 Kern::SafeClose((DObject*&)iClient, NULL); |
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132 Kern::DestroyClientRequest(iRequest); |
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133 } |
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134 |
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135 TInt DEntropySources::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/) |
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136 { |
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137 return Kern::CreateClientRequest(iRequest); |
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138 } |
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139 |
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140 TInt DEntropySources::Request(TInt aReqNo, TAny* a1, TAny* a2) |
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141 { |
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142 (void)a2; |
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143 TInt r = KErrNotSupported; |
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144 switch(aReqNo) |
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145 { |
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146 case ~REntropySources::EReseedTest: |
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147 r = iRequest->SetStatus((TRequestStatus*)a1); |
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148 if (r!=KErrNone) |
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149 return r; |
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150 KernTest::Test(KernTest::ERNGReseedHook, (TAny*)&::ReseedHook, this); |
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151 break; |
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152 } |
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153 return r; |
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154 } |
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155 |
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156 void DEntropySources::ReseedHook() |
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157 { |
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158 KernTest::Test(KernTest::ERNGReseedHook, NULL, NULL); |
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159 Kern::QueueRequestComplete(iClient, iRequest, KErrNone); |
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160 } |